Still, more than 2 million accounts were reportedly involved. The company says that its IT team discovered the hack on August 20 and immediately took measures to shut it down.

T-Mobile data breach: How to protect yourself

If you’re a customer who has questions, you are being encouraged to contact Customer Care by dialing 611. You can also use two-way messaging on MyT-Mobile.com, the T-Mobile App, or iMessage through Apple Business Chat.